Here at Consumerist’s virtual headquarters, we were reading a Starbucks fan blog, as we do, and noticed a passing reference that took us by surprise. A post mentioned a “secret menu” drink called the Undertow, which consists of hot espresso on top of cold half-and-half and flavored syrup. This sounded both confusing and delicious, so we made the editor whose office is closest to a Starbucks go out and try to order one. [More]